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Darthbaker · 03-02-2016, 12:06 PM

I've looked and looked and I can't information on the adapter I need.

I have a 1971 C10, 355, with a 85ish 700R4 transmission. when I bought the truck the previous owner stated I needed a mechanical adapter for the transmission to make the factory cluster speedo to work.

I don't have a pic of the current connection on the transmission at this time but there's a plastic plug adapter on it where i appears to be electronic.

Any advice on where I can get this? A part number? anything....

03-02-2016, 12:06 PM	#1
Darthbaker Registered User Join Date: Dec 2015 Location: Southland Posts: 73	Speedometer Adapter I've looked and looked and I can't information on the adapter I need. I have a 1971 C10, 355, with a 85ish 700R4 transmission. when I bought the truck the previous owner stated I needed a mechanical adapter for the transmission to make the factory cluster speedo to work. I don't have a pic of the current connection on the transmission at this time but there's a plastic plug adapter on it where i appears to be electronic. Any advice on where I can get this? A part number? anything....